.my-logo {
    position: relative;
    left: 50%; top: 0;
    width: 200px; height: 100%;
    line-height: 60px;
    text-align: center;
    color: #009688;
    font-size: 16px;
    display: block;
    margin-left: -100px;
}

.my-signin-form {
    position: absolute;
    width: 308px;
    height: 160px;
    left: 50%;
    top: 50%;
    margin-left: -154px;
    margin-top: -80px;
}

.my-signup-form {
    position: absolute;
    width: 300px;
    height: 276px;
    left: 50%;
    top: 50%;
    margin-left: -150px;
    margin-top: -138px;
}
